使用紫外光固化丙烯酸胶粘剂制备地面部分

IF 0.8 Q2 Environmental Science
S. Dobrovolsky
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引用次数: 1

摘要

地面剖面研究是最常用的,在某些方面,仍然是不可替代的方法来检查古生物和许多其他坚硬易碎的物体的微观结构。同时,古生物样品对于高质量薄片的制备相对困难。已经提出了许多技术和手段,特别是嵌入介质,但它们往往难以获得,不完善或研究不足。紫外光固化丙烯酸胶粘剂(玻璃胶)是一种很有前途且容易获得的非专业介质,用于嵌入和安装具有不同机械和光学性能的物体。它显示出显著的良好效果,特别是耐用性,可靠的附着力,易于使用和缺乏显著的双折射,这使得它特别有价值的偏振光显微镜。综述了这种胶粘剂的性能,并与环氧树脂和其他一些介质的性能进行了比较。阐述了胶粘剂的缺点及处理方法。此外,广泛访问的工具和方法锯,嵌入,研磨,安装和其他阶段的工作进行了讨论。测定了几种磨矿剂的磨矿效率。在所有这些结果的基础上,逐步发展和描述了一种利用容易接近的手段制作地面剖面的技术。该技术是为化石骨骼设计的,但适用于各种干燥样品,包括古生物、古生物和地质样品。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Preparation of ground sections using UV-curable acrylic adhesives
Study of ground sections is the most used and, in some respects, still irreplaceable method for examination the microstructure of paleontological and many other hard and friable objects. At the same time, paleontological samples are relatively difficult for preparations of high-quality thin sections. Many techniques and means, particularly embedding media, have been proposed, but they are often hardly accessible, imperfect or insufficiently studied. A promising and easily accessible non-specialized medium, UV-curable acrylic adhesive (glue for glass) was tested for embedding and mounting of objects with diverse mechanical and optical properties. It shows notably good results, in particular durability, reliable adhesion, ease of use and lack of significant birefringence, which makes it especially valuable for polarized light microscopy. Properties of such adhesives are reviewed and compared with properties of epoxy resins and a number of other media. Disadvantages of the adhesives and ways to deal with them are also elucidated. In addition, broadly accessible tools and methods of sawing, embedding, grinding, mounting and other stages of the work are discussed. Efficiency of a number of grinding agents is measured. On the basis of all these results, a technique of making ground sections using easily accessible means was developed and described step by step. The technique was designed for fossil bones, but is applicable to diverse dry samples, including paleontological, neontological and geological ones.
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来源期刊
CiteScore
2.40
自引率
0.00%
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